- Helps protect solenoid valve or regulator from backflow
- Can be used with water or glycerin to count the quantity of CO2
- Easy to setup and use
- Fits on standard CO2 hose
The SR Aquaristik in line CO2 bubble counter is ideal for helping regulate or see the amount of CO2 exiting regulators, solenoid valves or splitters. Made from aluminum and cast acrylic for durability and longevity.